CVE-2019-5434

CRITICAL EXPLOITED NUCLEI

XML-RPC - Code Injection

Title source: llm
STIX 2.1

Description

An attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize() call on the "what" parameter in the "openads.spc" RPC method. Such vulnerability could be used to perform various types of attacks, e.g. exploit serialize-related PHP vulnerabilities or PHP object injection. It is possible, although unconfirmed, that the vulnerability has been used by some attackers in order to gain access to some Revive Adserver instances and deliver malware through them to third party websites. This vulnerability was addressed in version 4.2.0.

Exploits (1)

exploitdb WORKING POC
by crlf · phpwebappsphp
https://www.exploit-db.com/exploits/47739

Nuclei Templates (1)

Revive Adserver 4.2 - Remote Code Execution
CRITICALVERIFIEDby omarjezi
Shodan: http.favicon.hash:106844876 || http.title:"revive adserver"
FOFA: icon_hash=106844876 || title="revive adserver"

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/512076
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/542670

Scores

CVSS v3 9.8
EPSS 0.8908
EPSS Percentile 99.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2026-03-09
CWE
CWE-502
Status published
Products (1)
revive-sas/revive_adserver < 4.2.0
Published May 06, 2019
Tracked Since Feb 18, 2026